ClassID:

144191

F04D29/059 - CPC Classification

Classification description:

Details, component parts, or accessories; Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps; Bearings Roller bearings

Recent Application in this class:
#1
20260036135
2026-02-05

TURBOFAN ENGINE INCLUDING A FAN ACTUATION SYSTEM

#2
20250341218
2025-11-06

BEARING STRUCTURE AND TURBOCHARGER

#3
20250290540
2025-09-18

ROTARY SHAFT DEVICE WITH INTEGRATED COOLING AND LUBRICATION

#4
20250271149
2025-08-28

AIR-CONDITIONING INDOOR UNIT AND AIR CONDITIONER

#5
20250116298
2025-04-10

A PUMP, A BEARING ASSEMBLY FOR A PUMP AND A METHOD OF ASSEMBLING THE BEARING ASSEMBLY

#6
20240335628
2024-10-10

BLOWER FOR BREATHING APPARATUS

#7
20240240651
2024-07-18

Damping device for damping shaft vibration

#8
20240200566
2024-06-20

SEALING ASSEMBLY FOR A SHAFT PASSAGE OPENING FOR A FAN

#9
20240178717
2024-05-30

FAN MOTOR

#10
20240151238
2024-05-09

Device for centering and guiding a shaft of an aircraft turbine engine

#11
20230374998
2023-11-23

Turbocharger including an annular bearing retainer plate

#12
20230323898
2023-10-12

Multistage centrifugal compressor

#13
20230313806
2023-10-05

ELECTRIC COMPRESSOR

#14
20230211867
2023-07-06

Dynamic axial preloading with flexure plate

#15
20230184257
2023-06-15

Ventilation fan having a hybrid bearing system

#16
20230048172
2023-02-16

Compressor

#17
20220412368
2022-12-29

Turbomachine with roller element bearing arrangement

#18
20220381251
2022-12-01

PAP system blower

#19
20220235778
2022-07-28

Rotor support and vacuum pump with such a rotor support

#20
20220235775
2022-07-28

ROTATING DEVICE

#21
20220220981
2022-07-14

Moisture removal system for electric compressor device

#22
20220220972
2022-07-14

Blower with bearing tube

#23
20220220964
2022-07-14

Lubricant supply system and vacuum pump

#24
20220196075
2022-06-23

Vapor compression system and method of extending service life of same

#25
20220178378
2022-06-09

Transmission and centrifugal compressor

#26
20220120291
2022-04-21

Damping device for damping shaft vibration

#27
20220082315
2022-03-17

System and method for dynamically determining refrigerant film thickness and dynamically controlling refrigerant film thickness at rolling-element bearing of an oil free chiller

#28
20220018351
2022-01-20

Blower fan with through hole and fan support rod

#29
20210404480
2021-12-30

Low profile rotating bearing centering spring

#30
20210372421
2021-12-02

Oil feed assembly for a vacuum pump having a venting conduit

#31
20210364000
2021-11-25

Turbomolecular pump lubricant supply systems

#32
20210355946
2021-11-18

Radial ventilator

#33
20210348647
2021-11-11

BEARING ARRANGEMENT

#34
20210330909
2021-10-28

Blower for breathing apparatus

#35
20210285453
2021-09-16

Flushing of a touchdown bearing

#36
20210262478
2021-08-26

Compressor with vibration sensor

#37
20210222586
2021-07-22

Support assembly for a rotary machine

#38
20210156279
2021-05-27

Rotor support structures for rotating drum rotors of gas turbine engines

#39
20210148378
2021-05-20

Anti-press fan structure

#40
20210079832
2021-03-18

Hybrid apparatus for controlling the rotation of a fan for cooling the cooling fluid of a vehicle

#41
20210025403
2021-01-28

Rotating machine and turbocharger

#42
20200400148
2020-12-24

Motor assembly and method for manufacturing the same

#43
20200362874
2020-11-19

Ventilation fan having a hybrid bearing system

#44
20200340488
2020-10-29

Turbocharger device

#45
20200330709
2020-10-22

Pap system blower

#46
20200318645
2020-10-08

Load Bearing Direct Drive Fan System With Variable Process Control

#47
20200256352
2020-08-13

Rotating diffuser in centrifugal compressor

#48
20200248702
2020-08-06

Rotary drive for an impeller and motor assembly with gas and rolling bearings arranged in housing structure

#49
20200248701
2020-08-06

Bearing cage retainer

#50
20200224663
2020-07-16

Time lapse shooting apparatus and observation method

#51
20200208644
2020-07-02

Centrifugal compressor

#52
20200198771
2020-06-25

Dynamic axial preloading with flexure plate

#53
20200132077
2020-04-30

COMPRESSOR

#54
20200123968
2020-04-23

Electric supercharger

#55
20200018320
2020-01-16

Variable pitch fan for a gas turbine engine

#56
20200011233
2020-01-09

ELECTRIC SUPERCHARGER

#57
20190383300
2019-12-19

VACUUM PUMP

#58
20190383299
2019-12-19

Bearing support for a vacuum pump

#59
20190383296
2019-12-19

Vacuum pump and diagnosis system

#60
20190334418
2019-10-31

Positive airway pressure device including blower and support system therefor

#61
20190293334
2019-09-26

System and method for dynamically determining refrigerant film thickness and dynamically controlling refrigerant film thickness at rolling-element bearing of an oil free chiller

#62
20190293123
2019-09-26

System to provide reliable flow of low temperature cooling air to an antifriction bearing buried inside a rotating machine

#63
20190277299
2019-09-12

Fan motor and vehicle comprising same

#64
20190257214
2019-08-22

Seal and bearing assembly with bearing outer portion defining seal static portion

#65
20190226489
2019-07-25

Axial bearing arrangement for a drive shaft of a centrifugal compressor

#66
20190226486
2019-07-25

ELECTRIC COMPRESSOR

#67
20190226393
2019-07-25

TURBOCHARGER

#68
20190218927
2019-07-18

Bearing-supported seal

#69
20190211834
2019-07-11

TURBO COMPRESSOR AND TURBO REFRIGERATOR PROVIDED WITH SAME

#70
20190203727
2019-07-04

Turbomolecular pump lubricant supply systems

#71
20190186541
2019-06-20

Hybrid rolling bearing, particularly for refrigerant compressor

#72
20190178257
2019-06-13

Rotary machine

#73
20190134329
2019-05-09

Blower for breathing apparatus

#74
20190131902
2019-05-02

Vibration control method and system

#75
20190128324
2019-05-02

Resonance vibration control method and system

#76
20190128182
2019-05-02

Turbofan engine bearing and gearbox arrangement

#77
20190113049
2019-04-18

Variable pitch fan for a gas turbine engine

#78
20190085858
2019-03-21

Centrifugal pump for cryogenic pumped media

#79
20190024672
2019-01-24

Fan module with variable-pitch blades for a turbine engine

#80
20190017414
2019-01-17

Fluid-cooled seal arrangement for a gas turbine engine

#81
20190003484
2019-01-03

Fan module having variable-pitch blades for a turbine engine

#82
20180334923
2018-11-22

Aircraft turbomachine assembly having an improved decoupling system in the event of a fan blade loss

#83
20180283393
2018-10-04

Centrifugal compressor

#84
20180283388
2018-10-04

CENTRIFUGAL COMPRESSOR

#85
20180283387
2018-10-04

Centrifugal compressor

#86
20180266275
2018-09-20

Bearing outer race retention during high load events

#87
20180258953
2018-09-13

Compressor

#88
20180231058
2018-08-16

Orifice plate bearing lubrication system

#89
20180223874
2018-08-09

MOTOR AND BLOWER

#90
20180180332
2018-06-28

Heat transfer system with tribofilm on bearing surface

#91
20180180311
2018-06-28

HYBRID ROOFTOP TURBINE GRAVITY VENTILATOR

#92
20180180057
2018-06-28

Downhole blower system with bearings and seals

#93
20180180054
2018-06-28

Time lapse shooting apparatus and observation method

#94
20180172019
2018-06-21

ROTARY MACHINE

#95
20180163739
2018-06-14

Turbocharger assembly

#96
20180163617
2018-06-14

Turbocharger assembly

#97
20180149159
2018-05-31

SUBSEA MOTOR-COMPRESSOR UNIT

#98
20180119703
2018-05-03

Machine equipped with an air compressor or water pump

#99
20180119702
2018-05-03

Air compressor or water pump

#100
20180106185
2018-04-19

Spacer and electric supercharger

#101
20180073785
2018-03-15

Low-oil refrigerants and vapor compression systems

#102
20180066670
2018-03-08

Ventilation fan having a hybrid bearing system

#103
20180058463
2018-03-01

Load bearing direct drive fan system with variable process control

#104
20180051706
2018-02-22

Resilient bearing mount with integral damper fluid passage for a geared turbofan engine

#105
20180038378
2018-02-08

Variable preloaded duplex thrust bearing system for a geared turbofan engine

#106
20180036844
2018-02-08

Bearing insertion device

#107
20180030990
2018-02-01

Pump lubricant supply systems

#108
20180023577
2018-01-25

Vacuum pump lubricant supply systems

#109
20180023418
2018-01-25

Engine bearing damper with interrupted oil film

#110
20170298769
2017-10-19

BEARING STRUCTURE OF TURBOCHARGER

#111
20170292405
2017-10-12

BEARING STRUCTURE OF TURBOCHARGER

#112
20170268524
2017-09-21

Motor, and motor control system

#113
20170241418
2017-08-24

Vapor compression system and method of extending service life of same

#114
20170227055
2017-08-10

Vacuum pump

#115
20170227017
2017-08-10

Electrically driven pump

#116
20170176076
2017-06-22

System and method for dynamically determining refrigerant film thickness and dynamically controlling refrigerant film thickness at rolling-element bearing of an oil free chiller

#117
20170159707
2017-06-08

FAN

#118
20170152858
2017-06-01

Rolling bearing for blade root and manufacturing method, system, oscillating system, and rotating system comprising such a bearing

#119
20170138306
2017-05-18

Gas turbine engine fan

#120
20170130729
2017-05-11

Stuffing box body with integral diverted lantern ring

#121
20170102003
2017-04-13

Chiller Compressor Rolling Bearings with Squeeze Film Dampers

#122
20170101995
2017-04-13

Electric supercharger and supercharging system

#123
20170101171
2017-04-13

ROLLING BEARING FOR BLADE ROOT, OSCILLATING SYSTEM, AND ROTATING SYSTEM

#124
20170097007
2017-04-06

Refrigerant lube system

#125
20170058909
2017-03-02

Turbocharger bearing damper assembly

#126
20170030374
2017-02-02

ASSEMBLY HAVING AN END-FACE COVER

#127
20170002837
2017-01-05

Fan vibration damping structure and fan with the vibration damping structure

#128
20160348686
2016-12-01

Screw pump and impeller fan assemblies and method of operating

#129
20160298491
2016-10-13

Turbocharger bearing assembly

#130
20160281645
2016-09-29

Turbocharger and method

#131
20160281644
2016-09-29

Turbocharger and method

#132
20160265554
2016-09-15

Turbocharger with dual-use mounting holes

#133
20160265542
2016-09-15

Turbocharger and method

#134
20160265426
2016-09-15

Turbocharger with oil containment arrangement

#135
20160265386
2016-09-15

Turbocharger with low carbon steel shaft

#136
20160265385
2016-09-15

Turbocharger with bearing piloted compressor wheel

#137
20160252095
2016-09-01

AXIAL COMPRESSOR WITH A MAGNETIC STEPPER OR SERVO MOTOR

#138
20160222981
2016-08-04

Multistage centrifugal compressor

#139
20160177954
2016-06-23

MULTI-STAGE CENTRIFUGAL COMPRESSOR AND AIR CONDITIONING UNIT

#140
20160169238
2016-06-16

FAN AND ASSOCIATED AIRCRAFT

#141
20160146047
2016-05-26

Turbocharger roller support system

#142
20160123388
2016-05-05

Rotating machine with at least one active magnetic bearing and spaced auxiliary rolling bearings

#143
20160123332
2016-05-05

Rotary machine

#144
20160115962
2016-04-28

Shaftless fan structure having axial air slit

#145
20160115793
2016-04-28

Compressor for an axial turbine engine with double contra-rotating rotors

#146
20160102705
2016-04-14

Rotating machine with at least one active magnetic bearing and auxiliary rolling bearings

#147
20160097398
2016-04-07

Vacuum pump

#148
20160090988
2016-03-31

Aircraft engine with a compressor device

#149
20160069391
2016-03-10

Vacuum pump

#150
20160032771
2016-02-04

Fluid-cooled seal arrangement for a gas turbine engine

#151
20160032769
2016-02-04

Oil transfer passage arrangement for a shaft of a gas turbine engine

#152
20160025003
2016-01-28

Turbofan engine bearing and gearbox arrangement

#153
20160010691
2016-01-14

Method of using pressure nitrided stainless steel hybrid bearing with a refrigerant lubricated compressor

#154
20160010653
2016-01-14

Shaftless fan structure

#155
20150369080
2015-12-24

Rotating machine comprising a damping collar

#156
20150345499
2015-12-03

Vacuum pump

#157
20150337850
2015-11-26

Supercharger with electric motor and engine device provided with supercharger with electric motor

#158
20150322957
2015-11-12

COMBINED RADIAL AND THRUST BEARING AND WET ROTOR PUMP

#159
20150315862
2015-11-05

Extended shale shaker screen handle(s)

#160
20150292515
2015-10-15

Vacuum pump with back-up bearing contact sensor

#161
20150276282
2015-10-01

Motor cooling system for chillers

#162
20150275911
2015-10-01

Compact turbomachine with magnetic bearings and auxiliary bearings

#163
20150267717
2015-09-24

TURBO TYPE FLUID MACHINE

#164
20150260221
2015-09-17

Rotary machine, bearing and method for manufacturing a rotary machine

#165
20150260194
2015-09-17

Turbo compressor

#166
20150233382
2015-08-20

Rolling bearing assembly of an exhaust gas turbocharger

#167
20150176592
2015-06-25

Heat-insulating bearing structure

#168
20150167687
2015-06-18

Centrifugal compressor

#169
20150152873
2015-06-04

FAN STRUCTURE

#170
20150152872
2015-06-04

Gas blower

#171
20150132109
2015-05-14

Vacuum pump

#172
20150010387
2015-01-08

Exhaust gas turbocharger with vibration-insulating mounting of a rotor

#173
20140369831
2014-12-18

Vacuum pump

#174
20140328684
2014-11-06

Compressor

#175
20140328683
2014-11-06

Compressor

#176
20140328674
2014-11-06

Compressor

#177
20140324385
2014-10-30

Device for monitoring the lifetime of the fan bearings

#178
20140314599
2014-10-23

CENTRIFUGAL PUMP

#179
20140301680
2014-10-09

Planetary-type auxiliary bearing for a hydrostatic primary bearing

#180
20140286749
2014-09-25

Multi-stage axial compressor with counter-rotation using accessory drive

#181
20140234139
2014-08-21

Compressor having biased controlled magnetic bearings

#182
20140205476
2014-07-24

Electric fan

#183
20140112774
2014-04-24

Centrifugal gas compressor magnetic bearing thrust collar with mounting pilots

#184
20140112773
2014-04-24

CENTRIFUGAL GAS COMPRESSOR WITH A HARDENED SHAFT FOR A BEARING SYSTEM

#185
20140101926
2014-04-17

Blower with bearing tube

#186
20140090626
2014-04-03

Electric supercharger, assembling method of the same, and internal combustion engine

#187
20140064944
2014-03-06

Preload disk spring, assembly structure thereof, and fan using same

#188
20140044524
2014-02-13

Impeller fan assembly

#189
20140017078
2014-01-16

Auxiliary bearing landing guard

#190
20140010682
2014-01-09

Centrifugal fan

#191
20130224015
2013-08-29

TURBOCHARGER, NOTABLY FOR A COMBUSTION ENGINE

#192
20130202432
2013-08-08

Rolling element bearing cartridge with axial thrust damping and anti-rotation assemblies

#193
20130195609
2013-08-01

Mid-span gas bearing

#194
20130170943
2013-07-04

Hybrid bearing turbomachine

#195
20130156552
2013-06-20

Cost effective high thrust capacity turbocharger assembly

#196
20130121858
2013-05-16

VACUUM PUMP

#197
20130108415
2013-05-02

Axial-flow fluid machinery, and variable vane drive device thereof

#198
20130058783
2013-03-07

Impeller and centrifugal fan using the same

#199
20130039783
2013-02-14

External rotor motor with integrated bearing housing and box for control electronics

#200
20130000998
2013-01-03

Viscous Fan Drive for an Engine Cooling System

#201
20120328431
2012-12-27

Integral bearing support and centering spring assembly for a gas turbine engine

#202
20120327210
2012-12-27

Time lapse shooting apparatus and observation method

#203
20120282078
2012-11-08

Bearing assembly with damping features

#204
20120107099
2012-05-03

TURBO BLOWER AND HIGH SPEED ROTATING BODY USED IN SAME

#205
20120087816
2012-04-12

Cooling fan

#206
20120051385
2012-03-01

Gas laser oscillator apparatus and gas laser machining apparatus

#207
20110255999
2011-10-20

USE OF A ROLLING-ELEMENT BEARING FOR BEARING ROTATING COMPONENTS IN VACUUM DEVICES AND VACUUM DEVICE

#208
20110194955
2011-08-11

ELECTRIC FAN

#209
20110179644
2011-07-28

System for protecting bearings and seals of refrigerant compressor

#210
20110164974
2011-07-07

Compressor and method for operating a compressor and fuel cell device with a compressor

#211
20110135506
2011-06-09

MULTI-STAGE VACUUM PUMP

#212
20110123328
2011-05-26

VACUUM PUMP

#213
20110121671
2011-05-26

Single bearing motor with magnetic element

#214
20110103945
2011-05-05

Blower system

#215
20110081231
2011-04-07

PUMP BEARING ARRANGEMENT

#216
20110046897
2011-02-24

Method for determining the fatigue of a pump rotor of a gas turbopump

#217
20110044832
2011-02-24

Fluid energy machine

#218
20110044810
2011-02-24

Bearing support

#219
20110008186
2011-01-13

High-pressure compression unit for process fluids for industrial plant and a related method of operation

#220
20100329861
2010-12-30

Inlet connecting piece for an axial-flow compressor

#221
20100303653
2010-12-02

TURBOMOLECULAR PUMP

#222
20100296917
2010-11-25

Vacuum pump

#223
20100283344
2010-11-11

Inner-rotor-type motor

#224
20100266402
2010-10-21

Single-bearing fan structure

#225
20100215491
2010-08-26

ROTOR ASSEMBLY

#226
20100215475
2010-08-26

Vacuum pump

#227
20100196141
2010-08-05

FUEL CELL COMPRESSOR SYSTEM

#228
20100192927
2010-08-05

Method and apparatus for controlling a compound bearing assembly of a centrifugal compressor

#229
20100135784
2010-06-03

Vacuum pump

#230
20100135771
2010-06-03

CENTRIFUGAL COMPRESSOR WITH IMPROVED LUBRICATION SYSTEM FOR GEAR-TYPE TRANSMISSION

#231
20100074777
2010-03-25

Arrangement for delivering fluids

#232
20100040494
2010-02-18

Ceiling fan

#233
20090220361
2009-09-03

COOLING OF STATOR FOR COMPRESSOR

#234
20090220360
2009-09-03

Cooling fan

#235
20090208354
2009-08-20

Support for rolling bearing

#236
20090196773
2009-08-06

FAN AND MOTOR

#237
20090193840
2009-08-06

Turbo compressor and refrigerator

#238
20090155055
2009-06-18

COOLING FAN

#239
20090133431
2009-05-28

Air cycle refrigerating/cooling system and turbine unit used therefor

#240
20090123317
2009-05-14

Vacuum pump with a lubricant pump

#241
20090074339
2009-03-19

Resin-made cage and bearing

#242
20090046963
2009-02-19

Magnetic bearing device

#243
20090028731
2009-01-29

Ball bearing and a vacuum pump that is equipped with a bearing of this type

#244
20090025386
2009-01-29

Electrically assisted turbocharger

#245
20090022607
2009-01-22

ARRANGEMENT FOR DELIVERING FLUIDS

#246
20090015012
2009-01-15

Axial in-line turbomachine

#247
20080309184
2008-12-18

Support device for supporting a rotor for rotation

#248
20080304986
2008-12-11

Blower with bearing tube

#249
20080302280
2008-12-11

EXHAUSTER FAN BEARING ASSEMBLY AND COOLING SYSTEM FOR PULVERIZER

#250
20080298952
2008-12-04

Fan with an arrangement of detecting degradation of the bearings

#251
20080245082
2008-10-09

Lubrication system for touchdown bearings of a magnetic bearing compressor

#252
20080232985
2008-09-25

Vacuum pump with a bearing cage having a threaded groove

#253
20080226442
2008-09-18

FAN WITH MEANS FOR MONITORING WEAR

#254
20080206079
2008-08-28

Turbo-molecular pump and touchdown bearing device

#255
20080166246
2008-07-10

System for protecting bearings and seals of a refrigerant compressor

#256
20080138202
2008-06-12

Arrangement for supporting a shaft of a vacuum pump and a vacuum pump with such an arrangement

#257
20080134659
2008-06-12

Zero running clearance centrifugal compressor

#258
20080131275
2008-06-05

Blower system

#259
20080112660
2008-05-15

Bearing module for a vacuum pump

#260
20080066722
2008-03-20

Centrifugal compressor with improved lubrication system for gear-type transmission

#261
20080063334
2008-03-13

Thrust bearing housing for a gas turbine engine

#262
20080047344
2008-02-28

Ball bearing turbocharger balancer

#263
20080031736
2008-02-07

Structure of fan for reducing vibration

#264
20080019628
2008-01-24

Touchdown bearing

#265
20080008590
2008-01-10

ELECTRIC FAN WITH BEARING SYSTEM

#266
20070269323
2007-11-22

Miniature high speed compressor having embedded permanent magnet motor

#267
20070210660
2007-09-13

Magnetically coupled heat dissipating fan

#268
20070201995
2007-08-30

Bearing protection for inverter-driven motor

#269
20070154124
2007-07-05

Rolling bearing for a supercharger

#270
20070151105
2007-07-05

Bearing support, particularly for a fan casing, and method for manufacturing thereof

#271
20070147985
2007-06-28

Turbo compressor

#272
20070132191
2007-06-14

Device and method for guiding at least two flow media

#273
20070098585
2007-05-03

Vacuum pump with improved oil lubrication

#274
20070025850
2007-02-01

Non-concentric rings for reduced turbo-machinery operating clearances

#275
20060245960
2006-11-02

Vacuum pump

#276
20060202576
2006-09-14

Cooling fan with outboard bearings

#277
20060093477
2006-05-04

Centrifugal compressor having rotatable compressor case insert

#278
20060091749
2006-05-04

Motor with single bearing

#279
20060088238
2006-04-27

Ball bearing and a vacuum pump that is equipped with a bearing of this type

#280
20060073042
2006-04-06

Methods of securing a bearing with an adaptor sleeve within an opening of a housing

#281
20060024183
2006-02-02

Ventilation system with axial fan and integrated accelerator/deflector

#282
20060018774
2006-01-26

Annular support for rolling bearings

#283
20050281501
2005-12-22

Bearing support, particularly for a fan casing, and method for manufacturing thereof

#284
20050260072
2005-11-24

Heat-dissipating device

#285
20050207919
2005-09-22

High-speed, belt-driven industrial blower

#286
20050198941
2005-09-15

Turbojet architecture with two fans at the front

#287
20050196295
2005-09-08

Centrifugal air compressor

#288
20050169744
2005-08-04

Gas friction pump

#289
20050129538
2005-06-16

High-speed rotor assembly for an overhung centrifugal compressor

#290
20050106005
2005-05-19

Turbo molecular high-vacuum pump with a circular intake area

#291
20050058544
2005-03-17

Axial flow fan motor

#292
20050036723
2005-02-17

Rolling bearing for fan motor

#293
19289029
2026-04-28

Fan bearing support system for gas turbine engine with power gearbox

#294
19171544
2026-05-05

Fan bearing anti-slip fixing structure with bushing

#295
19171537
2026-03-03

Fan bearing fixing and anti-slipping structure

#296
15417178
2018-05-15

Vented bearing retainer for turbomachines

#297
15255200
2019-02-26

Rotary machine providing thermal expansion compensation, and method for fabrication thereof